What's new from the Utopia version, you can see.
Implementation of Chat Utopia AI
• Recent and contact list changes
• Chats and Channels design changes
• New default tab mode
• Channel pinned messages changes
• Improvements in private channel messages
• Improvement of mail, in pinned chat and dashboard, adding shrink window
Fixed in version 1.2.600
• Sync process fixing
• General bug-fixing